[Adjustable Multi-functional]: You can change the scribe tools shape according to your needs, only need to adjust the tightness of the pencil holder and nut to change different shapes to complete demand, such as countour mode, scribe mode, compass mode and edge rule mold, over 15 marking applications[Quality ABS Material]: The base of this multi-functional scribing tool is made of high-quality ABS plastic material, which is very lightweight, easy to carry and store. The deep hole pen tip is made of metal, so it won break or be damaged during construction; you can finish your drawing work effortlessly[Practical Woodworking Tools]: Contour gauge with 2 deep hole pens in different colors(black, red), and refills in different colors(black, red,yellow), they come in boxes and are not easily crushed. Different colors of refills will be clearer to meet your different usage scenarios[Accurate Easy To Use]: The marking tool is equipped with a sturdy knob, which can well prevent the instrument from rolling. Allows you to easily maintain a consistent scribe offset during use, staying parallel to the surface every time. You can draw parallel lines and arcs according to your ideas, which is very convenient to operate[Wide Application]: The contour gauge scribe tool can be used to measure the shape of irregular objects with more than 15 marking applications on metal, plastic, glass, wood, paper, infill panels, shop fittings and built-in furniture, and more. Compacet size and lightweight, easy for you to carry out for outdoor useColour: black+redMaterial: ABSPackage Contents:1 x Contour Gauge( black deep hole pencil )1 x red deep hole pencil1 set x black refill1 set x mixed color refill (3 yellow + 3 red)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.